Module F04JDF in NAG

General Information

Minimal least-squares solution of m real equations in n unknowns, rank ≤m, m≤n

Usage

CALL F04JDF(M,N,A,NRA,B,TOL,SIGMA,IRANK,WORK,LWORK,IFAIL)

Classification

D9a1	Least squares (L-2) solution of singular, overdetermined or underdetermined systems of linear equations without constraints

Type

subroutine in NAG package (F04 sublibrary)

Language

Fortran

Availability

Proprietary, Portable